Cavanagh et al show that characterizing the temporal receptive field of integration of individual PFC neurons from their resting activity (via autocorrelation) helps predict their coding for value.  In short, taking into account the temporal dynamics of neuron spiking yields more information about their role in representing value than spike rates alone.

Cavanagh, Sean E., et al. “Autocorrelation structure at rest predicts value correlates of single neurons during reward-guided choice.” eLife 5 (2016): e18937.

Betsy Murray and crew find evidence to resolve two different views of the function of the orbitofrontal cortex (OFC).  One view is that the OFC provides inhibitory control and emotion regulation.  The other view is that processes the value of things.  They show that damage limited to the OFC does not affect inhibitory or emotional control, but damage to nearby fiber tracts do.  There you go.